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Testing Cosmological Models with Negative Pressure

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Astronomy, Cosmology and Fundamental Physics

Part of the book series: ESO ASTROPHYSICS SYMPOSIA ((ESO))

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Abstract.

There is presently compelling evidence that the cosmic energy density is dominated by a dark component with negative pressure. We discuss how the Alcock-Paczyński test can discriminate between different cosmological models with such a component, including VCDM models (with an equation of state \(w \equiv P/\rho c^2 < -1\)).

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Authors and Affiliations

  1. Osservatorio Astronomico di Bologna, via Ranzani 1, I-40127, Bologna, Italy

    Alberto Cappi

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  1. Alberto Cappi
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Peter A. Shaver Luigi DiLella Alvaro Giménez

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Cappi, A. Testing Cosmological Models with Negative Pressure. In: Shaver, P.A., DiLella, L., Giménez, A. (eds) Astronomy, Cosmology and Fundamental Physics. ESO ASTROPHYSICS SYMPOSIA. Springer, Berlin, Heidelberg. https://doi.org/10.1007/10857580_37

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  • DOI: https://doi.org/10.1007/10857580_37

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-40179-7

  • Online ISBN: 978-3-540-44851-8

  • eBook Packages: Springer Book Archive

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